Dump-bed for vehicles.



D. W. CARR.

DUMP BED FOR VEHICLES. APPLICATION FILED SEPT.14, 1909.

980,922. Patented Jan, 10,1911

4 SHEBT SSHEET 1.

D V-Wm e we a J i? izfma z D. W.- CARR.

DUMP BED FOR VEHICLES.

APPLICATION FILED SEPT. 14, 1909.

Patented Jan. 10, 1911.

4 SHEETS-SHEET 2.

I dl'fozncu D. W. CARR.

DUMP BED FOR VEHICLES. APPLIOATION FILED SEPT.14,1909

980,922. Patented Jan. 10, 1911.

4 SHEETS--SHBET 3. 3a

. a l um vto'c 1 91 bucoaca M M. 74; An

D. W. CARR. DUMP BED FOR VEHICLES. APPLICATION FILED SEPT. 14, 1909.

980,922. I Patented Jan. 10, 1911.

4 SHEETS-SHEET 4.

gln nw "I I :i 1114mm m r Y -xaf G Hot-1121 zen of theUnited 'States,residing at Greei to the means for locking the vehicle body in ventedfrom tiltin uni-TED STATE-S,

PATENT ornion.

JJOX W. CARE, OF GBEELEY, COLORADO, .ASSIGNOB TO THE GREELEY MANUFAGTUBING COMPANY, OF GBEELEY, COLORADO, A GORPOR ATION OF COLORADO.

DUMP-BED FOR VEHICLES.

Application filed September 14, 1909. Serial No. 517,615.v

To alli'whomit Be it known that I, Dox W. CARR, a citiley, county ofWeld, and State' of Colorado,

have invented certain new and useful Improvements in Dump-Beds forVehicles;

and I do declare the following to be a full,

clear, and "exact description of the invention, such as will enableothers skilled in the art to which it appertains to make and use thesame, reference being bad to the accompanying drawings, which form apart of this specification.

My invention relates to improvementsin dump beds for vehicles and may beconsidered an improvement over the constructions set forth in myprevious applications, serially tively. I

My present invention relates particularly the horizontal position,whereby it is prean operating shaft is employed provided with a wormwhich engages a worm wheel" mounted on". a shaft carrying twocone shapedoperating drums with which are respectivelyconnected operating cableswhich engage" guide pulleys. mtermediate the.

tion as the worm shaft is operated.

My improvement consists in providing a pair of bars at each extremity ofthe vehicle.

Each pair of bars has two extremities pivotally connected with thestationary framework of'the vehicle, while their other extremitiesarepivotallyconnectedwiththedumpingbody on opposite sides of the center.The twomembers of each pair of locking bars cross each other when thedumping body is in the horizontal position, one of the bars beinprovided with a recess which is engaged y the otherbar, thus serving tolock the body of the Vehicle in. the saidposition. One bar of each pairhas one of its extremities engaged by a spring which, when the bar is inalinementwith the recess-of its companion bar, causes the one bar toslip into the recess of the other, and maintains the'actuated bar in thelocking relation. -When it isdesired to dump the bed or wagon body,means are employed for moving the spring-actuated numbered 413,522 and470,686, respecp in' either direction. Inthe .constructionil ustrated inthe drawing,-

bars against their s rings sufliciently to dis- Patented Jan. 10, 1911."

engage them from t erecessesof their companion bars, and while thespring-actuated bars are held in their disengaged position,

the operator turns the worm shaft, whichquickly tilts the dumping bedsufficiently to throw the locking bars into such relation as l toprevent-the spring-actuated barsfrom returning to the locking positionuntil the dumping bed is again restored. 7

Having briefly outlined myimproved construction, I will proceed todescribe the same in detail, reference being made to the accompanyingdrawings in which is illustrated ,an embodiment thereof.

In these drawings: Figure 1 is an under: n'eath view of a-v'ehicle body,equipped with my improvements. Fig. 2 is a cross section taken ontheline 23-, Fig. "1, looking to- .ward the left, the'dumping body being inthe horizontal position: Fig. .3 is a similar section, showing thedumpingbodyin the J tilted or dumping position. Fig. f'is a detail viewshowing the twovpa irs of lock-ing arms in connection with the mechanismfor disconnecting the spring-a'ctuatedmember of eachpair from'itscompanion arm, the parts beingshown on a larger scale than in the otherviews. Fig. 5',is'-iasectional deta' il' -view, the section being takenon-thi'line 5--5, Fig. 2, the parts beingsh'o of a ments.

. The same reference characters indicate the enralarger scale. Fig. 6"is' a rear end leyatio'nvehicle equipped with .my improve-1 journaled ashaft 6, carrying cone-shaped drums 7, having spiral grooves 8, engagedby cables 9, which engage guide pulleys 10 and 12,- mounted on theframe, the extremities of the cables remote-from their winding I drumsbeing connected with the body of the vehicle on opposite sides, as shownat 13. The shaft 6 is provided with a worm wheel (not shown) which isengaged by a worm 14, on the operating shaft 15,'pro- Vided'with a handcrank 16. By turning this shaft 15, the dumping body may be tilted in.either direction.

' As heretofore stated, the function of locking the dumping body in thehorizontal position is preferably accomplished by two pairs of lockingarms which are substansite sides of the center, as shown at 22 and armis located, the plate 30 being made fast pair of these arms is thereforesufiicient.

bolts.

. tremity of the arm 18 is slotted,-as shown at tially alike, one pairbeing located at each end of the vehicle. A description of one Let thenumerals 17 and 18 respectively designate the individual arms of eachpair. The lower extremities of the two arms are pivotally connected withthe stationary framework 5, as shown at 19 and 20, while their oppositeextremities are pivotally connected with the dumping body 21 on oppo- 22which in this case designate pivot Each arm 18 is provided with acentral recess 23, adapted to receive the central portion of the arm 17,when thedump bed is in the horizontal position. The extremity of eacharm 17, which is connected with the bolt 22, is acted on by acoil spring24, one extremity of which engages the arm 17, while the other extremitybears against an angle bracket 25, connected with the dumping body, asshown at 26. This bracket is connected with the pivot bolt 22, uponwhich theextremity of the arm 17 is free to move, the boltengagingextremity of the arm being provided with a slot 27. The spring 24.- isso located as to press the arm 17 toward its companion arm 18, so thatwhen the two arms are in the proper position, the one will engage therecess 23 of the other. Each arm 17 is composed of spring metal, andwhile its extremity opposite that engaged by the spring 24, may besecured tightly to the stationary framework, the arm nevertheless hassufficientyielding capacity to allow it to engage and disengage therecess 23 of its-companion bar. It is evident, however, that theextremity of the bar which engages the stationary framework may, ifdesired, be so connected therewith as to permit a suflicient oscillatingmovement to enable it to per form the aforesaid function, even if thearm were non-yielding. It is, however, preferred to employ an armcomposed of spring metal and to secure the extremity connected with thestationary framework tightlyto the latter, since in.this event theresilience of the arm will aid the coil spring in forcing the arm 17quickly into the recess 23 of the other arm, when the two arms are inthe proper relative position. The upper ex- 28, and the bolt '22 passesthrough this slot and also through a bracket 29 between which and aplate 30, the extremity of the to a bar 31 of the dumping body. I

Fulcrumed' on the rear end of the dump bed, as shown at 31 is a lever32. A pin 33 is connected with this lever on one side of the fulcrum,as'shown at 34, while a rod 35 is connected with the lever on theopposite side of the fulcrum, as shown at 36. The pin 33 passes throughan opening 37, formed in the bar 31 .of the dumping body and has anexpanded head 38, which engages the arm 17 of the rearwardly locatedpair of locking arms; while the extremity of the rod 35, opposite thatconnected with the lever is connected with the forwardly-located arm 17,as shown at 39. By virtue of its connection, when the lever 32 is thrownto the dotted line position (see Fig. 4), the two arms 17 i are alsothrown to the dotted line positions in the same figure, whereby they aredisengaged from the recesses 23 oftheir companion arms; and while thelever is held by one hand in the dotted line position, the hand crank16, connected with the worm shaft 15, is turned with the other handuntil the dumping body is moved sufficiently to prevent the arms 17 fromreengaging the recesses'23 of their companion arms. The lever may thenbe released, after which the tilting operation is continued. After thecontents of the vehicle body have been dumped, the latter is returned tothe horizontalposition by reversing the rotation of the worm shaft, andas soon as the bed is restored, the arms 17, acting underlt he influenceof the coil springs 24, and their own resilience, re'engage recesses 23of their companion arms.

Having thus described my invention, what I claim is:

1. The combination with a stationary framework and a dumping body, ofmeans for locking the body in the horizontal position, comprising a pairof cooperating arms arranged to cross each other, the upper eX tremitiesof thearms being pivotally connected with the body, while their lowereX-- tremities are pivotally. connected with the stationary framework,one of the said arms being provided with a recess adapted to receive theother 5 arm, whereby the two arms are constructed to interlock when thebody is in a horizontal position, one of the arms being spring-actuatedfor the purpose.

2. The combination with a stationary framework and a vehicle bodytiltably mounted thereon, of means for retaining the vehicle body in thehorizontal position, com? prising a pair of cooperating, interlockingarms arranged to cross each other, one extremity of each arm beingpivotally connected with the stationary framework, while its oppositeextremity is pivotally connected with the body of the vehicle, one ofthe said arms being provided with a recess which the other arm isadapted to engage, when the vehicle body is properly adjusted, one ofthe said arms being spring-actuated for the purpose set forth.

3. In mechanism of the class described, the

combination with a stationary framework and a body mounted thereon totilt transversely, of a numberof pairs of cooperating arms arranged tocross each other, one arm of each pair being provided with a recess,

and the other arm being spring-actuated to a centrally located recess,while the other arm is spring-actuated to interlock with the recessedarm when the two arms have assumed the desired position, the o positeextremities of the individual arms ieing pivotally connected with theframework and with the tiltable body, respectively.

5. The combination with a stationary. framework anda body tiltablymounted thereon, of a pair of cooperating arms arrangedto cross eachother, one of the arms being recessed and the otherspring-actuated tointerlock with the recessed arm when in a predetermined position ofadjustment, the op osite extremities of the individual arms beingpivotally connected, respectively, with fihel stationary framework andthe tiltable o y. Y

6. The combination with a. stationary framework and a body' tiltablymounted thereon, of a pair of cooperating arms arranged to cross eachother, one of the arms being recessed and the other ring-actuated tointerlock with the recesse arm when in a predetermined position ofadjustment, the opposite extremities of'the individual arms beingpivotally connected, respectively, with the stationarv framework and thetiltable body, and means for the springactuated arm from its cooperatingarni, substantially as described.

7. The combination with a stationary framework and a body tiltablymounted thereon, of a pair of cooperating arms arranged to cross eachother, one of the ,arms

being recessed and theother s ring-actuated to interlock with therecesse arm when in a predetermined position of adjustment, the

opposite extremities of the individual "arms being pivotally connected,respectively,-with the stationary framework and the tiltable body, andmeans for disengaging the springactuated arm from its cooperating arm,comprising a lever and an operatiye connection between the lever andthe" spring actuated arm.

' 8. The combination with a stationary framework and a bodytiltably'mounted thereon,'of means for locking the body in apredetermined position, comprising two pairs of cooperating armsarranged to cross. each other, one arm of each' pair beingspring-actuated and the other provided with a recess to interlockwiththe spring-actm ated arm, the op osite'extremities of the individualarms 0 each pair being pivotally connected, res ectivel with thestationary framework aif the t' table body, and means for disengaging.the arms of each pair when in the interlocked position, comprising a.lever connected in operative relation with the spring-actuated arms bfeach pair, substantiallyas described.

In testimon whereof I afiix my "signature "in presence 0 two witnesses.

DOX WQCARR.

" Witnessesi HENRY BAAT, Jr., Lari B.

